OpenHertz

Welcome to OpenHertz v 0.0.6 a Free Hertzian contact calculator. If there are any issues please report them on the GitHub repository.

Geometry

Contact type

Load

Material

First material Second Material
Young's modulus E (GPa)
Poisson's ratio 𝜈
Yield strength σY (MPa)

Results

Value Equation
Effective Elasticity E* (GPa)

Effective elasticity

Radius of the contact area a (𝜇m)

Contact radius

Total deformation d (𝜇m)

total displacement

Max contact pressure Pmax (MPa)

Maximum pressure

First body Second body
Max von Mises stress σmax (MPa)
Depth max von Mises Zσmax (𝜇m)
Max shear stress 𝜏max (MPa)
Depth max shear Z𝜏max (𝜇m)

References
  1. Green, Itzhak. "Poisson ratio effects and critical valus in spherical and cylindrical Hertzian contacts." Applied Mechanics and Engineering 10.3 (2005): 451-462.